CVE-2026-56190

CriticalCVSS 9.8/10Last modified Jul 22, 2026

Description

Use of uninitialized resource in Windows RDP allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 14, 2026
Last modified
Jul 22, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-5619110.0Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.CVE-2026-561925.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-561933.3Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-561948.8Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.CVE-2026-561955.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-561968.8Relative path traversal in Windows Admin Center allows an authorized attacker to execute code over a network.CVE-2026-561978.8Improper neutralization of special elements used in a command ('command injection') in Windows Admin Center allows an authorized attacker toCVE-2026-561987.8Out-of-bounds read in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.CVE-2026-56206.3A vulnerability has been found in itsourcecode Construction Management System 1.0. Affected is an unknown function of the file /borrowed_equCVE-2026-562079.8Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name CVE-2026-562087.6A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder's Look-Ahead ProCVE-2026-562097.1An arbitrary address write vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC (Sca
CVE-2026-56190: Critical severity, CVSS 9.8 | Vulnix